Atascadero, CA Weather
Atascadero, CA climate is warm during summer when temperatures tend to be in the 70's and cold during winter when temperatures tend to be in the 40's.
The warmest month of the year is August with an average maximum temperature of 92.00 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 30.90 degrees Fahrenheit.
Temperature variations between night and day tend to be big during summer with a difference that can reach 40 degrees Fahrenheit, and moderate during winter with an average difference of 28 degrees Fahrenheit.
The annual average precipitation at Atascadero is 32.17 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is January with an average rainfall of 6.98 Inches.
Weather Data
Current Conditions
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Fair, 40°F | Humidity: 86% | Dewpoint: 36°F |
| Wind Speed: CALM | Heat Index: 40°F | ||
| Barometer: 30.08 in. | Wind Chill: 40°F |
Weather Forecast
| Tonight: Mostly clear. Lows in the 30s to lower 40s. | ||
| Lo: 36°F | ||
| Hi: 70°F | Sunday: Mostly sunny. Highs around 70. | |
| Lo: 36°F | ||
| Hi: 65°F | Monday: Partly cloudy. A 20 percent chance of rain in the afternoon. Highs in the 60s. Southeast to south winds increasing to 15 to 25 mph with higher gusts. | |
| Lo: 45°F | ||
| Hi: 60°F | Tuesday: Mostly cloudy with a 50 percent chance of rain. Highs around 60. Lows in the 40s. | |
| Lo: 45°F | ||
| Hi: 60°F | Wednesday: Mostly cloudy with a 50 percent chance of rain. Highs around 60. Lows in the 40s. | |
| Lo: 45°F | ||
| Hi: 60°F | Wednesday: Mostly cloudy with a 50 percent chance of rain. Highs around 60. Lows in the 40s. | |
| Lo: 40°F | ||
| Hi: 56°F | Thursday: Partly cloudy with a 20 percent chance of rain. Lows in the mid 30s to mid 40s. Highs in the mid 50s to lower 60s. | |
| Lo: 40°F |
Moon, Sunrise and Sunset
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Moon Phase: Waning Crescent Moon | Civil Twilight: 6:18 AM PST |
Sunrise: 6:45 AM PST |
| Sunset: 4:52 PM PST |
Civil Twilight: 5:19 PM PST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 61.4 | 64.5 | 67.4 | 73.0 | 79.8 | 86.5 | 91.3 | 92.0 | 88.0 | 80.7 | 68.2 | 61.7 | 76.2 |
| Mean °F | 47.3 | 50.6 | 53.4 | 56.6 | 62.3 | 67.6 | 71.6 | 71.8 | 68.2 | 61.5 | 51.9 | 46.3 | 59.1 |
| Min °F | 33.1 | 36.6 | 39.3 | 40.1 | 44.8 | 48.7 | 51.8 | 51.6 | 48.4 | 42.3 | 35.6 | 30.9 | 41.9 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 6.98 | 6.88 | 5.97 | 1.83 | 0.56 | 0.10 | 0.03 | 0.10 | 0.49 | 1.57 | 3.17 | 4.49 | 32.17 |

